Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Voltage 
Gain access to PCB (use Insulation Mat as required)
Remove air chamber cover.
Remove case and lower front panel.
Summer/Winter Switch set to Summer Position.
Remove air chamber cover.
Remove case and lower front panel.
Summer/Winter Switch set to Summer Position.
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure AC voltage across pins 31 and 32 (560 ohms resistor), PCB.
Observe fan, is it running freely?
Observe fan, is it running freely?
Isolate as per TOPs P4
and refit as necessary